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Command Usage
• Use the policy-map command to specify a policy map and enter Policy Map
configuration mode. Then use the
class
command to enter Policy Map Class
configuration mode. And finally, use the
set
and
police
commands to specify
the match criteria, where the:
- set command classifies the service that an IP packet will receive.
- police command defines the maximum throughput, burst rate, and the
action that results from a policy violation.
• You can configure up to 16 rules per Class Map. You can also include multiple
classes in a Policy Map
.
Example
This example creates a policy called “rd_policy,” uses the
class
command to specify
the previously defined “rd_class,” uses the
set
command to classify the service that
incoming packets will receive, and then uses the
police
command to limit the
average bandwidth to 100,000 Kbps, the burst rate to 1522 bytes, and configure the
response to drop any violating packets.
Console(config)#policy-map rd_policy
Console(config-pmap)#class rd_class
Console(config-pmap-c)#set ip dscp 3
Console(config-pmap-c)#police 100000 1522 exceed-action drop
Console(config-pmap-c)#
set
This command services IP traffic by setting a CoS, DSCP, or IP Precedence value in
a matching packet (as specified by the
match
command on page 36-3). Use the
no
form to remove the traffic classification.
Syntax
[no] set {cos new-cos | ip dscp new-dscp | ip precedence new-precedence |
ipv6 dscp
new-dscp}
• new-cos - New Class of Service (CoS) value. (Range: 0-7)
• new-dscp - New Differentiated Service Code Point (DSCP) value.
(Range: 0-63)
• new-precedence - New IP Precedence value. (Range: 0-7)
Default Setting
None
Command Mode
Policy Map Class Configuration
36-6
Quality of Service Commands
36